About J1926+1614
J1926+1614 is an uncommon pulsar. It spins once every 308.306 ms, has a dispersion measure of 24.02 pc cm⁻³ and carries a surface magnetic field around 1.03×10^11 G.
The collapsed core of a star that exploded: about one and a half Suns of matter crushed into a ball the size of a city, held up only by the refusal of neutrons to be squeezed further.